157027840

素因数分解:

$2^9\times 5^1\times {\mathrm{61339}}^1$

素因数の和:61362

約数の個数: 40

約数和(自身を含む): 376504920

約数和(自身を除く): 219477080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 61339, 122678, 245356, 306695, 490712, 613390, 981424, 1226780, 1962848, 2453560, 3925696, 4907120, 7851392, 9814240, 15702784, 19628480, 31405568, 39256960, 78513920, 157027840]

約数ペア:

[(1, 157027840), (2, 78513920), (4, 39256960), (5, 31405568), (8, 19628480), (10, 15702784), (16, 9814240), (20, 7851392), (32, 4907120), (40, 3925696), (64, 2453560), (80, 1962848), (128, 1226780), (160, 981424), (256, 613390), (320, 490712), (512, 306695), (640, 245356), (1280, 122678), (2560, 61339)]